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page: add missing delayfreeimage calls

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fixes #19 http://code.swtch.com/plan9port/issue/19

http://codereview.appspot.com/108041
This commit is contained in:
Fazlul Shahriar 2009-08-15 02:34:42 -04:00
parent d19fdc056d
commit 94349f64d1
1 changed files with 14 additions and 2 deletions
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16
src/cmd/page/view.c
View file

@ -18,6 +18,7 @@
Document *doc; Document *doc;
Mousectl *mc; Mousectl *mc;
Image *im; Image *im;
Image *tofree;
int page; int page;
int angle = 0; int angle = 0;
int showbottom = 0; /* on the next showpage, move the image so the bottom is visible. */ int showbottom = 0; /* on the next showpage, move the image so the bottom is visible. */
@ -62,6 +63,16 @@ enum {
RMenu = 3, RMenu = 3,
}; };
static void
delayfreeimage(Image *m)
{
if(m == tofree)
return;
if(tofree)
freeimage(tofree);
tofree = m;
}
void void
unhide(void) unhide(void)
{ {
@ -121,6 +132,7 @@ showpage(int page, Menu *m)
m->lasthit = reverse ? doc->npage-1-page : page; m->lasthit = reverse ? doc->npage-1-page : page;
setcursor(mc, &reading); setcursor(mc, &reading);
delayfreeimage(nil);
im = cachedpage(doc, angle, page); im = cachedpage(doc, angle, page);
if(im == nil) if(im == nil)
wexits(0); wexits(0);
@ -553,8 +565,8 @@ viewer(Document *dd)
wexits("memory"); wexits("memory");
} }
resample(im, tmp); resample(im, tmp);
freeimage(im);
im = tmp; im = tmp;
delayfreeimage(tmp);
setcursor(mc, nil); setcursor(mc, nil);
ul = screen->r.min; ul = screen->r.min;
redraw(screen); redraw(screen);
@ -578,8 +590,8 @@ viewer(Document *dd)
wexits("memory"); wexits("memory");
} }
resample(im, tmp); resample(im, tmp);
freeimage(im);
im = tmp; im = tmp;
delayfreeimage(tmp);
setcursor(mc, nil); setcursor(mc, nil);
ul = screen->r.min; ul = screen->r.min;
redraw(screen); redraw(screen);